The actual pressure with which water enters into the cell is called as

D.P.D.

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O.P.

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W.P.

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Diffusion

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Solution

The correct option is A D.P.D.
Actual flow of water is decided by the deficit in diffusion pressure. More the dissolved solute particles greater will be the deficit in diffusion pressure and lesser the number of solute particles lesser will be deficit in diffusion pressure. One more component is the wall pressure which is equal and opposite to the turgor pressure. Mathematically expressed DPD is equal to OP - TP. Water moves from an area of lower DPD to an area of higher DPD.

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